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For stainless steels, mild steels, aluminium, titanium alloys and copper alloys. Special flute design to facilitate short chipping and accurate hole size. For CNC high speed drilling.
Flatted shank for D 12mm.
Point angle: 130 for D 2.01 to 4mm, 120 for D 4.01mm
| Drill Diameter | 3.9mm |
| Overall Length | 75mm |
| Flute Length | 43mm |
| Cutting Direction | Right Hand |
| Point Angle | 130\u00b0 |
| Helix Angle | 35 - 40\u00b0 |
| Series | Ex-Sus-GDR |
| Finish/Coating | TiN |
| Drill Diameter Tolerance | H8 |
| MFR Part No. | 62539 |
| Drill Diameter Metric | 3.9mm |
| Product Type | Drills |
| Material | Cobalt High Speed Steel |
| Shank Diameter Tolerance | h7 |
| Flute Construction | Ground flutes |
| Size | 3.9mm |
| Flute Type | Spiral |
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